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Do You REALLY Need to Rake Your Leaves This Fall?

University of Minnesota Extension, Stearns County News    
October 9, 2019                                    
Katie Drewitz, Extension Educator-Horticulture, Small Farms and Local Foods 
University of Minnesota Extension 
Stearns, Benton & Morrison Counties

Do You REALLY Need to Rake Your Leaves This Fall?
By Katie Drewitz, University of Minnesota Extension 

ST. CLOUD, Minn. (10/9/2019) — Raking leaves is one of those fall chores that you likely aren’t thrilled about doing, especially if you have an abundance of trees. Recently there has been quite a bit of media around what you should be doing for fall leaf clean up. The short answer to that question is that it depends on your situation, but let’s try to clear that up a little bit. 

The first thing you need to consider is how much of your turf grass is covered in leaves and leaf debris. Your lawn can likely handle a 10-20 percent leaf debris coverage, but any more than that can cause significant issues. If your lawn is completely covered, the turf grass would be smothered next spring and therefore unable to grow. A thick covering of leaves can also promote snow mold diseases which can kill off your lawn as well.

If you have a less significant coverage, one great option is mulching your leaves. Mulching and leaving the leaf debris can have many advantages to your soil and lawn. Some leaf types have been shown to reduce weed seed germination when mulched into a lawn canopy (maples, others).  The leaves of some particular tree species (legumes like honey locust, others) might actually add a significant amount of nitrogen to lawns because these species fix nitrogen from the atmosphere so higher leaf nitrogen contents in these leaves is possible. More information on these concepts can be found at You need to consider the final percentage of the lawn that is covered after mulching to avoid the issues mentioned above. 

If mulching is not an option due to the volume of leaves in your yard you can consider using a bagging attachment on your mower to pick them up or you can rake your leaves. Composting your leaf material is a great idea. Leaves and grass clippings both make excellent additions to your home compost pile. If you have had any disease issues in your trees or other plants with leaves do not add those leaves to the compost pile and do not leave them on your lawn, mulched or whole. Many bacterial and fungal disease can stick around on the leaf debris and then re-infect your plant next year. 

If you have additional questions about your trees, leaves or lawn you can visit the University of Minnesota Extension website or reach out to me directly at or 320-255-6169 ext. 1. Special thank you to former Turf Extension Educator, Sam Bauer, for some of the information and resources used in this article. 


PHOTO CAPTION:  Tree leaves that have built up to this level in your lawn would not be practical to mulch into the lawn canopy. Removal would be required in this situation. Photo: Sam Bauer